//
//  DraftViewModel.h
//  Knowbox
//
//  Created by LiuXubin on 14/11/21.
//  Copyright (c) 2014年 knowin. All rights reserved.
//

#import <UIKit/UIKit.h>

@interface SimDrawViewModel : NSObject

@property (nonatomic, strong) NSMutableArray *pathArray; //每次触摸结束后的线数组
@property (nonatomic, strong) NSMutableArray *deleArray;//删除线的数组，方便重做时取出来
@property (nonatomic, assign) BOOL isClear;
@property (nonatomic, strong) UIImage *preImage;

- (BOOL)hasUpdate;

@end
